@article{21130,
  author = {Daniela Borissova and D. Keremedchiev and Georgi Tuparov},
  title = {Multi-Criteria Model for Questions Selection in Generating e-Education Tests Involving Gamification},
  year = {2020},
  journal = {TEM Journal},
  volume = {2},
  pages = {779-785},
  language = {eng},
}